<template>
    <div>
        <home-header></home-header>
        <home-swiper :list="swiperList"></home-swiper>
        <home-icons :list="iconList"> </home-icons>
        <home-recommend :list="recommendList"></home-recommend>
        <home-weekend :list="weekendList"></home-weekend>
    </div>
</template>

<script>
import HomeHeader from "./components/Header"
import HomeSwiper from "./components/Swiper"
import HomeIcons from "./components/Icons"
import HomeRecommend from "./components/Recommend"
import HomeWeekend from "./components/Weekend"
import axios from "axios"
import { mapState } from "vuex"
export default {
    name: 'Home',
    components: {
        HomeHeader,
        HomeSwiper,
        HomeIcons,
        HomeRecommend,
        HomeWeekend
    },
    computed: {
        ...mapState(['city'])
    },
    data() {
        return {
            lastCity: '',
            swiperList: [],
            iconList: [],
            recommendList: [],
            weekendList: []
        }
    },
    methods: {
        gitHomeInfo() {
            axios.get('/api/index.json?city' + this.city)
                .then(this.getHomeInfoSucc)
        },
        getHomeInfoSucc(res) {
            res = res.data
            if (res.ret && res.data) {
                const data = res.data
                this.swiperList = data.swiperList
                this.iconList = data.iconList
                this.recommendList = data.recommendList
                this.weekendList = data.weekendList
            }
        }
    },
    mounted() {
        this.lastCity = this.city
        this.gitHomeInfo()
    },
    activated() {/* 使用keep-alive后多出来的周期函数 ,每重新访问一个页面就又重新放送一次请求*/
        if (this.lastCity !== this.city) {
            this.lastCity = this.city
            this.getHomeInfo()
        }
    }
}
</script>